Home / 11,856,431.58-16,355,564.16-7,211,637.24

Finding the Fourth Proportional to 11,856,431.58, 16,355,564.16 and 7,211,637.24

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Solution

The fourth proportional to 11,856,431.58, 16,355,564.16 and 7,211,637.24 is: 9,948,220.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856,431.58 : 16,355,564.16 = 7,211,637.24 : x
  2. Step 2: Convert to fraction form
    11,856,431.58/16,355,564.16 = 7,211,637.24/x
  3. Step 3: Cross multiply
    11,856,431.58x = 16,355,564.16 × 7,211,637.24
  4. Step 4: Simplify right side
    11,856,431.58x = 117,950,395,577,465.33
  5. Step 5: Solve for x
    x = 117,950,395,577,465.33/11,856,431.58
  6. Step 6: Final answer
    x = 9,948,220.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.